Littelfuse
EL731-02-X0
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Description
The EL731 is a microprocessor-based AC/DC Sensitive Earth-Leakage Relay that offers complete coverage for all frequencies from 0-6,000 Hz. Two CT’s are required for the entire frequency range, or one CT can be used for only low-or high-frequency detection. An RTD/PTC sensor input allows over-temperature protection. The EL731 offers metering capabilities, password-protected alarm and trip settings and optional network communications. It is used to add low-level ground-fault protection to variable-speed drives, and to dc currents. COMPUTER TO RELAY CONNECTION Connect the EL731 to the network using a standard Ethernet patch cable. Use of a crossover cable to connect the EL731 directly to the computer running IP-Config is not recommended. A typical router will assign an IP address to all connected computers that are using DHCP. The EL731 does not support the use of DHCP. If the EL731 is being set-up for first time, it is recommended to only have one EL731 connected to the network to prevent communication errors.- Part Number
- EL731-02-X0
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Specifications
- Analog Output Current (mA)
- 4-20
- Approvals
- CSA; UL; C-Tick
- Comms
- Profibus
- Relay Contacts
- Three Form C (N.O./N.C.)
- Supply Voltage (VAC)
- 120/240
- Supply Voltage (VDC)
- 120/ 240
- IEEE Device Numbers
- 384950G50N51G51N79G
- Relay Contact Operating Mode
- Fail-safeNon Fail-safe
- Dimensions
- 1.9H X 3.8W X 5.0D
Documents
Data Sheet
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